>2i19A (A:) observed residues (from ATOM records)
mpmqmfmqvydeiqmflleelelkfdmdpnrvrylrkmmdttclggkynrgltvidvaes
llslspnnngeeddgarrkrvlhdacvcgwmieflqahylveddimdnsvtrrgkpcwyr
hpdvtvqcaindglllkswthmmamhffadrpflqdllcrfnrvdyttavgqlydvtsmf
dsnkldpdvsqptttdfaeftlsnykrivkyktayytyllplvmglivsealptvdmgvt
eelamlmgeyfqvqddvmdcftpperlgkvgtdiqdakcswlavtflakassaqvaefka
nygsgdsekvatvrrlyeeadlqgdyvayeaavaeqvkelieklrlcspgfaasvetlwg
ktykrqk